Package com.impossibl.postgres.system

Examples of com.impossibl.postgres.system.Context

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    channel.writeAndFlush(msg);
  }

  void sendCancelRequest() {

    Context context = getContext();

    logger.finer("CANCEL");

    KeyData keyData = context.getKeyData();

    logger.finest("OPEN-SOCKET");

    try (Socket abortSocket = new Socket(remote.getAddress(), remote.getPort())) {
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    listener.notice(notice);
  }

  private void receiveParameterDescriptions(ByteBuf buffer) throws IOException {

    Context context = getContext();

    short paramCount = buffer.readShort();

    TypeRef[] paramTypes = new TypeRef[paramCount];

    for (int c = 0; c < paramCount; ++c) {

      int paramTypeId = buffer.readInt();
      paramTypes[c] = TypeRef.from(paramTypeId, context.getRegistry());
    }

    logger.finest("PARAM-DESC: " + paramCount);

    listener.parametersDescription(asList(paramTypes));
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    listener.parametersDescription(asList(paramTypes));
  }

  private void receiveRowDescription(ByteBuf buffer) throws IOException {

    Context context = getContext();

    Registry registry = context.getRegistry();

    short fieldCount = buffer.readShort();

    ResultField[] fields = new ResultField[fieldCount];

    for (int c = 0; c < fieldCount; ++c) {

      ResultField field = new ResultField();
      field.name = readCString(buffer, context.getCharset());
      field.relationId = buffer.readInt();
      field.relationAttributeNumber = buffer.readShort();
      field.typeRef = TypeRef.from(buffer.readInt(), registry);
      field.typeLength = buffer.readShort();
      field.typeModifier = buffer.readInt();
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    listener.functionResult(buffer);
  }

  private void receiveCommandComplete(ByteBuf buffer) throws IOException {

    Context context = getContext();

    String commandTag = readCString(buffer, context.getCharset());

    String[] parts = commandTag.split(" ");

    String command = parts[0];
    Long rowsAffected = null;
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    listener.commandComplete(command, rowsAffected, oid);
  }

  protected void receiveNotification(ByteBuf buffer) throws IOException {

    Context context = getContext();

    int processId = buffer.readInt();
    String channelName = readCString(buffer, context.getCharset());
    String payload = readCString(buffer, context.getCharset());

    logger.finest("NOTIFY: " + processId + " - " + channelName + " - " + payload);

    listener.notification(processId, channelName, payload);

    context.reportNotification(processId, channelName, payload);
  }
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    listener.ready(txStatus);
  }

  private Notice parseNotice(ByteBuf buffer) {

    Context context = getContext();

    Notice notice = new Notice();

    byte msgId;

    while ((msgId = buffer.readByte()) != 0) {

      switch (msgId) {
        case 'S':
          notice.setSeverity(readCString(buffer, context.getCharset()));
          break;

        case 'C':
          notice.setCode(readCString(buffer, context.getCharset()));
          break;

        case 'M':
          notice.setMessage(readCString(buffer, context.getCharset()));
          break;

        case 'D':
          notice.setDetail(readCString(buffer, context.getCharset()));
          break;

        case 'H':
          notice.setHint(readCString(buffer, context.getCharset()));
          break;

        case 'P':
          notice.setPosition(readCString(buffer, context.getCharset()));
          break;

        case 'W':
          notice.setWhere(readCString(buffer, context.getCharset()));
          break;

        case 'F':
          notice.setFile(readCString(buffer, context.getCharset()));
          break;

        case 'L':
          notice.setLine(readCString(buffer, context.getCharset()));
          break;

        case 'R':
          notice.setRoutine(readCString(buffer, context.getCharset()));
          break;

        case 's':
          notice.setSchema(readCString(buffer, context.getCharset()));
          break;

        case 't':
          notice.setTable(readCString(buffer, context.getCharset()));
          break;

        case 'c':
          notice.setColumn(readCString(buffer, context.getCharset()));
          break;

        case 'd':
          notice.setDatatype(readCString(buffer, context.getCharset()));
          break;

        case 'n':
          notice.setConstraint(readCString(buffer, context.getCharset()));
          break;

        default:
          // Read and ignore
          readCString(buffer, context.getCharset());
          break;
      }

    }
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Related Classes of com.impossibl.postgres.system.Context

  • com.impossibl.postgres.protocol.v30.ProtocolImpl
  • com.impossibl.postgres.protocol.v30.StartupCommandImpl
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